@inproceedings{yang2021causal,
  title={Causal attention for vision-language tasks},
  author={Yang, Xu and Zhang, Hanwang and Qi, Guojun and Cai, Jianfei},
  booktitle={Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition},
  pages={9847--9857},
  year={2021}
}